The DataTransferItem.getAsString() method invokes the given callback with the drag data item's string data as the argument if the item's kind is a Plain unicode string (i.e. kind is string).
Syntax
dataTransferItem.getAsString(callback);
Parameters
callback- A callback function that has access to the
data transfer item'sstring data. See Callback below for details.
Return value
Callback
The callback parameter is a callback function which accepts one parameter:
DOMString- The drag data item's string data.
The callback return value is undefined.
Example
This example shows the use of the getAsString() method as an inline function in a drop event handler.
function drop_handler(ev) {
console.log("Drop");
ev.preventDefault();
var data = event.dataTransfer.items;
for (var i = 0; i < data.length; i += 1) {
if ((data[i].kind == 'string') &&
(data[i].type.match('^text/plain'))) {
// This item is the target node
data[i].getAsString(function (s){
ev.target.appendChild(document.getElementById(s));
});
} else if ((data[i].kind == 'string') &&
(data[i].type.match('^text/html'))) {
// Drag data item is HTML
console.log("... Drop: HTML");
} else if ((data[i].kind == 'string') &&
(data[i].type.match('^text/uri-list'))) {
// Drag data item is URI
console.log("... Drop: URI");
} else if ((data[i].kind == 'file') &&
(data[i].type.match('^image/'))) {
// Drag data item is an image file
var f = data[i].getAsFile();
console.log("... Drop: File ");
}
}
}
Specifications
| Specification | Status | Comment |
|---|---|---|
| WHATWG HTML Living Standard The definition of 'getAsString()' in that specification. |
Living Standard | Initial definition. |
| HTML5.1 The definition of 'getAsString()' in that specification. |
Recommendation | Snapshot fo HTML WHATWG document |
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 4 | (Yes) | 50 (50) | No support | 12 | No support |
| Feature | Android | Android Webview | Chrome for Android | Edge | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|---|---|
| Basic support | No support | No support | No support | (Yes) | 50 (50) | No support | No support | No support | No support |